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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 178 · 40 questions
TalentJR

Remember (First, next, last): An algorithm = clear steps in the right order; a program = an algorithm written for a computer. To order steps, ask: what must happen before this step can happen? A mistake is a bug; finding and fixing it is debugging.

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  1. 1.🔢 To wash your hands, which is the LAST step? (a) wet your hands (b) dry them with a towel (c) rinse off the soap (d) rub them with soap
  2. 2.🔢 To brush your teeth, which is the LAST step? (a) put on toothpaste (b) brush all your teeth (c) rinse your mouth (d) wet the toothbrush
  3. 3.🔢 To brush your teeth, what comes right after “brush all your teeth”? (a) rinse your mouth (b) wet the toothbrush (c) put on toothpaste
  4. 4.🐞 What do we call a mistake in a program? (a) a sprite (b) a byte (c) a bug (d) a cell
  5. 5.🔢 To plant a seed, what comes right after “cover it with soil”? (a) water it (b) dig a small hole (c) put the seed in
  6. 6.🔢 To plant a seed, which do we do first: “dig a small hole” or “water it”? (a) dig a small hole (b) water it
  7. 7.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) wet the toothbrush (c) brush all your teeth
  8. 8.🗺️ Which of these is an algorithm in everyday life? (a) a cloud (b) a rainbow (c) a recipe (d) a pebble
  9. 9.🔢 To wash your hands, which do we do first: “wet your hands” or “rub them with soap”? (a) wet your hands (b) rub them with soap
  10. 10.🔢 To play with a balloon, which do we do first: “tie the end” or “play with it”? (a) tie the end (b) play with it
  11. 11.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) put the seed in (b) water it
  12. 12.🔢 To read a storybook, which do we do first: “close the book” or “read the story”? (a) read the story (b) close the book
  13. 13.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) wet the toothbrush (b) put on toothpaste
  14. 14.🔢 To play with a balloon, which is the LAST step? (a) play with it (b) take a balloon (c) tie the end (d) blow air into it
  15. 15.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “wet the toothbrush”? (a) wet the toothbrush (b) put on toothpaste
  16. 16.🔢 To play with a balloon, what comes right after “blow air into it”? (a) play with it (b) take a balloon (c) tie the end
  17. 17.🔢 To plant a seed, which is the LAST step? (a) water it (b) cover it with soil (c) dig a small hole (d) put the seed in
  18. 18.🔢 To plant a seed, which is the FIRST step? (a) water it (b) put the seed in (c) cover it with soil (d) dig a small hole
  19. 19.🔢 To plant a seed, which do we do first: “put the seed in” or “cover it with soil”? (a) cover it with soil (b) put the seed in
  20. 20.🔢 To read a storybook, which do we do first: “close the book” or “pick up the book”? (a) pick up the book (b) close the book
  21. 21.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) dry them with a towel (c) wet your hands (d) rinse off the soap
  22. 22.🔢 To wash your hands, what comes right after “wet your hands”? (a) dry them with a towel (b) rub them with soap (c) rinse off the soap
  23. 23.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth
  24. 24.🔢 To read a storybook, which is the FIRST step? (a) pick up the book (b) open the first page (c) close the book (d) read the story
  25. 25.🤖 A computer follows the steps of a program ___. (a) the way it likes (b) exactly as written (c) only on Sundays (d) backwards always
  26. 26.🔢 To plant a seed, what comes right after “put the seed in”? (a) cover it with soil (b) water it (c) dig a small hole
  27. 27.🔢 To play with a balloon, what comes right after “take a balloon”? (a) tie the end (b) blow air into it (c) play with it
  28. 28.📝 What do we call a list of steps to solve a problem? (a) a folder (b) a pixel (c) a mouse (d) an algorithm
  29. 29.🔢 To plant a seed, which do we do first: “dig a small hole” or “put the seed in”? (a) put the seed in (b) dig a small hole
  30. 30.🔢 To play with a balloon, which do we do first: “play with it” or “tie the end”? (a) play with it (b) tie the end
  31. 31.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) read the story (b) close the book
  32. 32.🔧 What is finding and fixing mistakes in a program called? (a) scrolling (b) debugging (c) printing (d) downloading
  33. 33.🔢 To plant a seed, which do we do first: “cover it with soil” or “water it”? (a) water it (b) cover it with soil
  34. 34.🔢 To play with a balloon, which is the FIRST step? (a) play with it (b) take a balloon (c) blow air into it (d) tie the end
  35. 35.🔢 To wash your hands, what comes right after “rinse off the soap”? (a) wet your hands (b) dry them with a towel (c) rub them with soap
  36. 36.🔢 To wash your hands, which do we do first: “rub them with soap” or “wet your hands”? (a) wet your hands (b) rub them with soap
  37. 37.🔢 To read a storybook, which is the LAST step? (a) read the story (b) open the first page (c) close the book (d) pick up the book
  38. 38.🔢 To plant a seed, what comes right after “dig a small hole”? (a) put the seed in (b) cover it with soil (c) water it
  39. 39.📋 What do we call the steps written in a language a computer understands? (a) a painting (b) a program (c) a poem (d) a password
  40. 40.🔢 To plant a seed, which do we do first: “water it” or “dig a small hole”? (a) water it (b) dig a small hole

Answer key

  1. dry them with a towel
  2. rinse your mouth
  3. rinse your mouth
  4. a bug
  5. water it
  6. dig a small hole
  7. brush all your teeth
  8. a recipe
  9. wet your hands
  10. tie the end
  11. put the seed in
  12. read the story
  13. wet the toothbrush
  14. play with it
  15. wet the toothbrush
  16. tie the end
  17. water it
  18. dig a small hole
  19. put the seed in
  20. pick up the book
  21. wet your hands
  22. rub them with soap
  23. put on toothpaste
  24. pick up the book
  25. exactly as written
  26. cover it with soil
  27. blow air into it
  28. an algorithm
  29. dig a small hole
  30. tie the end
  31. read the story
  32. debugging
  33. cover it with soil
  34. take a balloon
  35. dry them with a towel
  36. wet your hands
  37. close the book
  38. put the seed in
  39. a program
  40. dig a small hole

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